AU570386B2 - Radio communication system - Google Patents
Radio communication systemInfo
- Publication number
- AU570386B2 AU570386B2 AU40561/85A AU4056185A AU570386B2 AU 570386 B2 AU570386 B2 AU 570386B2 AU 40561/85 A AU40561/85 A AU 40561/85A AU 4056185 A AU4056185 A AU 4056185A AU 570386 B2 AU570386 B2 AU 570386B2
- Authority
- AU
- Australia
- Prior art keywords
- communication system
- radio communication
- radio
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59-063195 | 1984-04-02 | ||
JP59063195A JPS60208134A (en) | 1984-04-02 | 1984-04-02 | Radio communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4056185A AU4056185A (en) | 1985-10-10 |
AU570386B2 true AU570386B2 (en) | 1988-03-10 |
Family
ID=13222193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU40561/85A Expired AU570386B2 (en) | 1984-04-02 | 1985-04-01 | Radio communication system |
Country Status (6)
Country | Link |
---|---|
US (1) | US4656645A (en) |
EP (1) | EP0157412B1 (en) |
JP (1) | JPS60208134A (en) |
AU (1) | AU570386B2 (en) |
CA (1) | CA1230647A (en) |
DE (1) | DE3578593D1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0624345B2 (en) * | 1986-04-28 | 1994-03-30 | 日本電気株式会社 | Backup line monitoring circuit |
JPS6370632A (en) * | 1986-09-11 | 1988-03-30 | Nec Corp | Line switching system |
US4754454A (en) * | 1986-11-17 | 1988-06-28 | Gte Communication Systems Corporation | Synchronization circuitry for duplex digital span equipment |
GB2232326A (en) * | 1989-05-26 | 1990-12-05 | Philips Electronic Associated | Data transmission over a tdm duplex frequency channel |
US5278990A (en) * | 1989-10-10 | 1994-01-11 | Motorola, Inc. | Two way radio communication system |
FR2661298B1 (en) * | 1990-04-23 | 1992-06-12 | Cit Alcatel | METHOD AND DEVICE FOR RETURNING TO A NORMAL LINK AFTER USE OF A BACKUP LINK IN A DATA TRANSMISSION SYSTEM. |
FI87123C (en) * | 1990-10-01 | 1992-11-25 | Telenokia Oy | System for securing the trunk frequency central channels in a digital transmission device |
US5110189A (en) * | 1990-11-16 | 1992-05-05 | Tamrock World Corporation | Redundant remote control system used on a continuous miner and method of using same |
US5327573A (en) * | 1991-02-15 | 1994-07-05 | Motorola, Inc. | Method for supporting voice communications between communication systems |
JPH0786988A (en) * | 1993-09-16 | 1995-03-31 | Fujitsu Ltd | Device and method for pca transmission |
JPH08331046A (en) * | 1995-05-31 | 1996-12-13 | Nec Corp | Optical transmission communication system |
FR2736781B1 (en) * | 1995-07-13 | 1997-09-26 | Sgs Thomson Microelectronics | CIRCUIT FOR TRANSMITTING BINARY DATA ON THE ELECTRICAL NETWORK USING MULTIPLE TRANSMISSION CHANNELS |
FR2736780B1 (en) * | 1995-07-13 | 1997-09-26 | Sgs Thomson Microelectronics | CIRCUIT FOR THE ASSIGNMENT OF A TRANSMISSION CHANNEL ON THE ELECTRICAL NETWORK |
US5901024A (en) * | 1996-12-23 | 1999-05-04 | Alcatel Usa Sourcing, L.P. | Apparatus and method for circuit protection |
JPH1127181A (en) * | 1997-06-30 | 1999-01-29 | Nec Corp | Switching system to spare line |
WO1999058171A2 (en) | 1998-05-08 | 1999-11-18 | Baxter International Inc. | Low prime membrane oxygenator with integrated heat exchanger/reservoir |
JP2001275112A (en) * | 2000-01-19 | 2001-10-05 | Oki Electric Ind Co Ltd | Data compression device |
ATE266913T1 (en) * | 2001-10-11 | 2004-05-15 | Cit Alcatel | APPARATUS AND METHOD FOR TRANSMITTING A GIGABIT ETHERNET SIGNAL THROUGH A HIGH CAPACITY POINT TO POINT RADIO SYSTEM |
JP3972737B2 (en) | 2002-06-05 | 2007-09-05 | 日本電気株式会社 | Digital transmission system and digital transmission method used therefor |
US20040131072A1 (en) * | 2002-08-13 | 2004-07-08 | Starent Networks Corporation | Communicating in voice and data communications systems |
DE60221669T2 (en) * | 2002-10-16 | 2008-05-21 | Alcatel Lucent | Packet switching for packet data transmission systems in a multi-channel radio arrangement |
US8280595B2 (en) | 2008-08-12 | 2012-10-02 | Cnh America Llc | System and method employing short range communications for communicating and exchanging operational and logistical status information among a plurality of agricultural machines |
ES2557591T3 (en) * | 2008-08-29 | 2016-01-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient scheme of radio protection pending operation |
CN101997571A (en) * | 2010-11-13 | 2011-03-30 | 武汉虹信通信技术有限责任公司 | Radio frequency back-up device used for multi-system communication system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4417348A (en) * | 1981-04-30 | 1983-11-22 | Bell Telephone Laboratories, Incorporated | Errorless line protection switcher |
US4442518A (en) * | 1980-04-28 | 1984-04-10 | Nippon Electric Company, Ltd. | Channel switching system for use in a digital communication system |
AU4931485A (en) * | 1984-11-05 | 1986-05-15 | Nec Corporation | Standby channel switching |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3124654A (en) * | 1964-03-10 | Transmitter | ||
US3253259A (en) * | 1961-09-19 | 1966-05-24 | Bell Telephone Labor Inc | Plural channel data transmission system having means for utilizing only the operative channels |
US3310742A (en) * | 1963-11-22 | 1967-03-21 | Sichak Associates | Frequency diversity transmitting system |
US3534264A (en) * | 1966-04-15 | 1970-10-13 | Ibm | Adaptive digital communication system |
US3548309A (en) * | 1967-09-14 | 1970-12-15 | Bell Telephone Labor Inc | Data rate converter |
US3541266A (en) * | 1968-09-30 | 1970-11-17 | Octronix Inc | Bandwidth compressor and expander |
US3536840A (en) * | 1969-04-25 | 1970-10-27 | Computer Modem Corp | Digital data transmission system with a variable transmission rate |
US3878463A (en) * | 1973-06-06 | 1975-04-15 | Bell Telephone Labor Inc | Automatic channel switching system |
GB1444804A (en) * | 1973-07-05 | 1976-08-04 | Standard Telephones Cables Ltd | Telecommunication systems |
US4370745A (en) * | 1980-11-14 | 1983-01-25 | Bell Telephone Laboratories, Incorporated | Fail-safe transmission system |
-
1984
- 1984-04-02 JP JP59063195A patent/JPS60208134A/en active Pending
-
1985
- 1985-04-01 CA CA000478030A patent/CA1230647A/en not_active Expired
- 1985-04-01 US US06/718,515 patent/US4656645A/en not_active Expired - Lifetime
- 1985-04-01 AU AU40561/85A patent/AU570386B2/en not_active Expired
- 1985-04-02 DE DE8585103983T patent/DE3578593D1/en not_active Expired - Fee Related
- 1985-04-02 EP EP85103983A patent/EP0157412B1/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4442518A (en) * | 1980-04-28 | 1984-04-10 | Nippon Electric Company, Ltd. | Channel switching system for use in a digital communication system |
US4417348A (en) * | 1981-04-30 | 1983-11-22 | Bell Telephone Laboratories, Incorporated | Errorless line protection switcher |
AU4931485A (en) * | 1984-11-05 | 1986-05-15 | Nec Corporation | Standby channel switching |
Also Published As
Publication number | Publication date |
---|---|
AU4056185A (en) | 1985-10-10 |
US4656645A (en) | 1987-04-07 |
CA1230647A (en) | 1987-12-22 |
EP0157412A2 (en) | 1985-10-09 |
DE3578593D1 (en) | 1990-08-16 |
JPS60208134A (en) | 1985-10-19 |
EP0157412B1 (en) | 1990-07-11 |
EP0157412A3 (en) | 1986-07-16 |
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